The Null Hypothesis was rejected at alpha = 0.001, this indicates 1. that your f

Question

The Null Hypothesis was rejected at alpha = 0.001, this indicates 1. that your findings were very important 2. The Power of the Test is 1 3. 0.1% chance you have committed a Type I Error 4. All of the preceding 5. Both 1, 3. The calculate Zs was equal to the Critical Value. Therefore, one should 1. Accept the Null Hypothesis 2. Redo the experiment 3. Reject the Null Hypothesis 4. Increase the sample size 5. All correct except (1) You chose a 5% significance level 2. The area of the Rejection region(s) is alpha/2 3. The area of the acceptance region is 1 - beta 4. Probability of Rejecting a True Ho is 0.05 5. Probability of accepting a false Ho is 0.95 6. Both 3, 4.

Explanation / Answer

E) a significance level of 0.001 or 0.1% denotes that the probability of rejecting the true null hypothesis is only 0.1%. This means that the probability of occuring a type I error is 0.1%. Therefore 3 is correct. Also as we have taken a very low value of level of significance, that is 0.1%, our findings are very important and therefore 1 is also correct .

Therefore 5) is the correct answer here.

F) In case when the test statistic value is equal to the critical value, we can either increase the sample size, redo the experiment or we can reject the null hypothesis. Note that in no circumstance we ever accept the null hypothesis.

Therefore 5) is the correct answer here.

G) This is similar to part E. Therefore a 5% level of significance means that the probability of rejecting the true null hypothesis is 0.05.

Therefore 4) is the correct answer here.

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